Bimetallic thermometer 481 is what mean?

Bimetallic thermometer 481 is what mean? Instrument to solve for you: double metal thermometer 481:4 representative dial diameter of 100 mm, 8 representative universal installation, 1 on behalf of the movable nipple. Share a picture below, let everybody know more about bimetal thermometer. Bimetallic thermometer is 481, the movable external thread bimetallic thermometer, movable external thread header when installation and screw thread connection is active, workers use installed on the machine equipment, can freely adjust the location of the bimetallic thermometer header, and then should be fixed to live, it is very convenient for reading. Bimetallic thermometer 481 structure principle is to round into the threaded type of thermal bimetal as thermal devices, and put it in a protective sleeve tube, one end is fixed, known as the fixed end, the other end of the connection on a thin shaft, called the free end. Spool at the free end is equipped with a pointer. When the temperature changes, the resulting thermal devices the free end of the rotation, drive the thin axis from the Angle of the pointer changes, corresponding temperature indicator on the dial.